Clear onboarding
Start with authentication, environments, and a first API request.
A clear API surface for customers, invoices, payments, expenses, teams, analytics, and event-driven integrations.
Portfolio note: Cedius is an illustrative API specification created to demonstrate developer-documentation skills. The example endpoints and credentials are not connected to a live production service.
https://api.cedius.app/v1Authorization: Bearer YOUR_API_KEYIf this is your first time using the API, start with the Quickstart.